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Top 50 CleanTech Companies in Denmark (2026)

Denmark is a global pioneer in wind energy and sustainable technology. Discover the top Danish CleanTech companies ranked by workforce size.

1

🇩🇰 TARPAPER RECYCLING ApS

6 employees

Recycling waste roofing felt into bitumen mix for asphalt.

2

🇩🇰 Chromafora Denmark ApS

5 employees

Pioneering selective chemical technologies for water purification and metal recovery.

3

🇩🇰 ANDRITZ Dedert International A/S

4 employees

Leading supplier of industrial process technologies driving green transition.

4

🇩🇰 EMMALJUNGA DANMARK, FILIAL AF EMMALJUNGA BARNVAGNSFABRIK AB, SVERIGE

4 employees

Swedish quality strollers and accessories manufacturer since 1925.

5

🇩🇰 Alfa Laval Aalborg Header-coil Company A/S

3 employees

Global leader providing heat transfer, separation, and fluid handling solutions.

6

🇩🇰 OX2 Denmark ApS

3 employees

OX2 accelerates access to renewable energy solutions across Europe and Australia.

7

🇩🇰 ENSTO SERVICE ApS

2 employees

Creating smart, sustainable solutions for reliable electricity distribution networks.

8

🇩🇰 Permascand Denmark ApS

2 employees

Technology-driven manufacturer of world-leading electrochemical solutions for clean tech.

9

🇩🇰 SPECIAL WASTE SYSTEM A/S

2 employees

Destroys hazardous waste via incineration, providing district heating locally.

10

🇩🇰 Akeab, filial af Anläggning & Kabel Entreprenad i Malmö AB, Sverige

1 employees

Building modern, sustainable infrastructure for energy, transport, and information transfer.

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11

🇩🇰 GREEN MARINE ENGINEERING ApS

1 employees

Global maritime engineering and fuel transition consulting experts.

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